Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
MHT CET2017Chemistryp Block Elements (Group 15, 16, 17 & 18)

Identify the compound in which phosphorus exists in the oxidation state of +1.

Options

  1. APhosphonic acid ( H 3 P O 3 )
  2. BPhosphinic acid ( H 3 P O 2 )
  3. CPyrophosphorus acid ( H 4 P 2 O 5 )
  4. DOrthophosphoric acid ( H 3 P O 4 )

Correct answer

B. Phosphinic acid ( H 3 P O 2 )

Step-by-step solution

3 ( + 1 ) + x + 2 ( − 2 ) = 0 x = + 1

Practice p Block Elements (Group 15, 16, 17 & 18) on Quantrex Academy →

More from p Block Elements (Group 15, 16, 17 & 18)

Which among the following is NOT in accordance with the property stated against it? 2026Complete hydrolysis of Xenon hexafluoride gives HF along with compound X. The hybridisation in X is 2025Orthophosphorus acid on disproportionation gives PH ₃ and another oxoacid of phosphorus ' X '. The basicity of X is 2025Observe the following P ₄+ SOCl ₂ Products P ₄+ SO ₂ Cl ₂ Products In both the reactions, a common product ' x ' is obtained. The number of lone pair of elecrons on the central ato 2025The number of P = O , P - P bonds present in oxoacid of phosphorus, prepared by treating red P ₄ with alkali are respectively 2025Which of the following is not correct? 2025Nature of two oxides of nitrogen X and Y formed in the reaction of sodium nitrite with hydrochloric acid is 2025Which of the following is not correct ? 2025 Full p Block Elements (Group 15, 16, 17 & 18) list All MHT CET PYQs